package com.jcompressor.utils;

import org.mozilla.javascript.ErrorReporter;
import org.mozilla.javascript.EvaluatorException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/*
 * Copyright (c) 2011, Scott Carnett
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright notice, this list of conditions and the
 *       following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
 *       following disclaimerin the documentation and/or other materials provided with the distribution.
 *     * Neither the name of jcompressor nor the names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @author Scott Carnett
 */
public class JavaScriptErrorReporter implements ErrorReporter {
	
	private static final Logger LOGGER = LoggerFactory.getLogger(JavaScriptErrorReporter.class);
	
	private String fileName;
	
	/**
	 * The default constructor
	 * @param fileName the file name
	 */
	public JavaScriptErrorReporter(final String fileName) {
		this.fileName = fileName;
	}
	
	/**
	 * @see org.mozilla.javascript.ErrorReporter#warning(String, String, int, String, int)
	 */
	@Override
	public void warning(final String message, final String sourceName, final int line, final String lineSource, final int lineOffset) {
		if (line < 0) {
			LOGGER.warn(message);
		}
		else {
			LOGGER.warn("[" + fileName + ":" + line + "] " + message);
		}
	}
	
	/**
	 * @see org.mozilla.javascript.ErrorReporter#error(String, String, int, String, int)
	 */
	@Override
	public void error(final String message, final String sourceName, final int line, final String lineSource, final int lineOffset) {
		if (line < 0) {
			LOGGER.error(message);
		}
		else {
			LOGGER.error("[" + fileName + ":" + line + "] " + message);
		}
	}
	
	/**
	 * @see org.mozilla.javascript.ErrorReporter#runtimeError(String, String, int, String, int)
	 */
	@Override
	public EvaluatorException runtimeError(final String message, final String sourceName, final int line, final String lineSource, final int lineOffset) {
		this.error(message, sourceName, line, lineSource, lineOffset);
		return new EvaluatorException(message);
	}
	
}